18044604

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 53114880

約数和(自身を除く): 35070276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 31, 36, 37, 38, 46, 57, 62, 69, 74, 76, 92, 93, 111, 114, 124, 138, 148, 171, 186, 207, 222, 228, 276, 279, 333, 342, 372, 414, 437, 444, 558, 589, 666, 684, 703, 713, 828, 851, 874, 1116, 1147, 1178, 1311, 1332, 1406, 1426, 1702, 1748, 1767, 2109, 2139, 2294, 2356, 2553, 2622, 2812, 2852, 3404, 3441, 3534, 3933, 4218, 4278, 4588, 5106, 5244, 5301, 6327, 6417, 6882, 7068, 7659, 7866, 8436, 8556, 10212, 10323, 10602, 12654, 12834, 13547, 13764, 15318, 15732, 16169, 20646, 21204, 21793, 25308, 25668, 26381, 27094, 30636, 32338, 40641, 41292, 43586, 48507, 52762, 54188, 64676, 65379, 79143, 81282, 87172, 97014, 105524, 121923, 130758, 145521, 158286, 162564, 194028, 196137, 237429, 243846, 261516, 291042, 316572, 392274, 474858, 487692, 501239, 582084, 784548, 949716, 1002478, 1503717, 2004956, 3007434, 4511151, 6014868, 9022302, 18044604]

約数ペア:

[(1, 18044604), (2, 9022302), (3, 6014868), (4, 4511151), (6, 3007434), (9, 2004956), (12, 1503717), (18, 1002478), (19, 949716), (23, 784548), (31, 582084), (36, 501239), (37, 487692), (38, 474858), (46, 392274), (57, 316572), (62, 291042), (69, 261516), (74, 243846), (76, 237429), (92, 196137), (93, 194028), (111, 162564), (114, 158286), (124, 145521), (138, 130758), (148, 121923), (171, 105524), (186, 97014), (207, 87172), (222, 81282), (228, 79143), (276, 65379), (279, 64676), (333, 54188), (342, 52762), (372, 48507), (414, 43586), (437, 41292), (444, 40641), (558, 32338), (589, 30636), (666, 27094), (684, 26381), (703, 25668), (713, 25308), (828, 21793), (851, 21204), (874, 20646), (1116, 16169), (1147, 15732), (1178, 15318), (1311, 13764), (1332, 13547), (1406, 12834), (1426, 12654), (1702, 10602), (1748, 10323), (1767, 10212), (2109, 8556), (2139, 8436), (2294, 7866), (2356, 7659), (2553, 7068), (2622, 6882), (2812, 6417), (2852, 6327), (3404, 5301), (3441, 5244), (3534, 5106), (3933, 4588), (4218, 4278)]